Tobacco-stemming machine.



J. P. SCOVILL. y TOBACCO STEMMING MAUHNE. APPLICATION FILED smm, 1913.

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TOBACCO STEMHING MACHINE. APPLICATION FILED SEPT. 23, 19,13. l 035893.Patented July 14,1914.

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APPLIGATION FILED SEPT. 2a, 191s.

Patented July 14, 1914.

' inentiilities 'or operative.'

so vp ofthe invention disclosed and claimed in -oithe companion roll,thecliaractemstie of JAMES soovILL, on mov, 'New YORK, assienfon en@noaa CORPOB-TQN Q1 ?L on wenn', 'NEW YoRK,A

Y ,-moBAcco-swnmmme"Mannini To all whom it 'may concern: i

Be it known that l, .JAMES P. Scot/ILL, a citizen of the United States,and residing at Troy, in the county of Rensselaer and State of New York,have invented a new and lmpi'oved Tobacco- Stemming' Machine, of whichthe following specification .is a` .tul disclosure.

This invent-ion relates to a tobacco-leaf stemming machine embodying theprinciples Patents No. 1,067,147, patented Speicaton of Iettes PatentApplication meu september 23,1913. serial no. naines. A

' where the 'Patenteaaaiyig opeijation is -ntei1nittent-, pio duees astripping influeneeeieetive in sepai'at'in'g the'leaf from the sii/Qin.Without appreoiably cutting up the strips.

The features of the invention are more fully--set forth infeennect-ionWith the de. seription o t tle harming-,fa part et this epeeieation anddie accompanying dna-:Wings closing the preferred, embodiment of 'thepresent invention, .in .vhieii-.d f.

yFigure 1 1s a planview ,of the machine. Fig. 2 1s amend elevationo theJuly 8, 1913` No; 1,067,148 patented lJuly 8, 1913 and No. 1,067,149patented July 8,

,"lhe object of' the present invention -is to produce an improved ormodified form of stri oping mechanism particularly as to thecharacteristics 'of one of the roll components.

It is desirable to rendei` available in connection with the' ordinalymachine l structurally diifeijentiated.' interchangeable rolls liilvingdistinctive leaf attacking function. To' elieriplify;V ,the longer theinterval betvveentle hewfeetMgand' the stemming fof tlielaf, the`moetlenderit becomes. It is th'eietor'e'; advantageous to provideinstruconditions of sutil# oien'tly diieientiated aggressiveness to apfroiiinifatethe leaf variation.

In tiie present invention, one of the' rolls' liason'e oi' .moreradially projecting flexible strippingl elements or brush segmentseorre#of the' rolls of' my'. prior Patent 1,067,1(49 of July 8,1913, While thesurf/tee of' the other rollfis'forined with onefor mon-egrid siirtaesproviding recessed' which Iis the absence of appreciable radiallyprojecting' rigid Ine;y bers. l, The lrelatively counti-sunk surfaces o'thiS new roll, re. gaidless of thein individual areas, form leafpockets en recessions into which the liber of the opposing roll slightly-iinpinges during the' rotation which" aecentuate's the counterdiigofthe' paiof i'ollsy relative to thepull O the stem advancing carrier, ,y/itliontI renf' de'ring' the sharp :leaf punctuiing'oiveinf seveijmg E"ifetion inherent in rigid radialpro jefetion f rin the' rollWorkingagainst the fbeif, The ee'et 'of .the' .eo-lactionlotfthe"radial' tibet* element and tliie irregiilafnsuijf face of the companion'roll,Y paitienlailyl t.

iii-st pair of stiippingiolla 3 an end elevatil n of the `second paii'ofsteinVY pine;y rolls show.;

d'ngra'nniiatieally indicated.v e evationxof theftirst pau' of Fig, 5 1sa summary view of the second pan? elgaiiized g the relative .dispositionof the stein gripping Carrier. w'itl'i' the Fig'. Ll isa' sidestripping" i'ollsft oi r'ollsiV Fig'. 6 1s aplanvieyv of oneof therolls. Fig. 7 is an end view et the saine roll.

'Iii

in ieg; 1,1 is ai@ fofwarafena i teelten vbelt mechanism', the leaf toastem gripping cantieri?, comprising numerals 3,4 Fig. 3, a portion'o thebeing g'iipped betweenthe eleinent 3,

so that. the leal extends ltiimsveifeely relay tively to Vthe steingripping carrier, the projecting end 'of the leaf to be stripp'edinthefix'st operation. 'l

It is desirable to 01 I broken leaves 'so that they will delivered tostripping mechanism, and to eiect this resultl provide a iii'st pairoi`rolls 5, (i singularly disposedas to the eairiex 2, p'laeled. in rearoi? theljeed belt Land in front oi the first pair ol sti'ippi The upperroll 5 ispi'ovided with axially extending- 'flexible stripev Y'projecting radially 'frein the ioll function ing" 'as i iepelliiiginetrulnentalities, toi" the Shorter or broken leaves, ,the direction ofrotation oit the rolls -5, throwing out the lundesirable produet. Thelower'i'ollt proj'eoted l end of roll 5 and forinedjwith conical end 8fhaving a spiral conical' end of this roll t-al'pmtiony the 'lealilaterally to the lindo rolls.

beyond, the' 'vay l), leading 'ron the 'of the roll 'thereby 'dii'etingfeed beltv delivekijs the i adjacent belt runs as indicated' byyreference diseaid or I'ejeetshort not, be

lilo" 'los "of strippingrollsvl 10C a'iidlfl'l areshown in'.- deltiiilllin Figs2^andf4 it not being material gw ic fis vto thestrippingfveclianism. .The first paixthe top and which' is the bottom rolle. Thestrippingv Arolled()` and 11 are :I 1 angularlydisposed relative to thestem gripl ping carrier 2 'and' formed-With y' eomciil'enda toprovide-ready leaf access bef,

' tween the rolls. :'Iliel roll `11:is'formed with a short row or rowsof radially projecting "spurs 12 to initially puncture orsevertransversely of the stem, and said urso rate 'ini relation to'a,circumferentia mem r 13 *of rolljlO, preferablya piece of belting, the

opposite'endsof'which are fixed tothe pe- -riphery'of theroll leaving ainedialloop portionv appropriately slitted for f rwith'the spurs' 12.y

of its periphe cut out as indicate the depression 'formed with '25'tendin roll.

formed registers with the brush segment 14 and closely adjacent thereto.

' vrelation to the second stein gripping carrierrest of theleaf. In thisv.when the rollsjare rotated-the' extremities of the brush slightlyimpinging into the 3o are somewhat Vpe'erforations 17 so that portionsof the leaf pocketedinto these recesses, the effect being to sever.theJeaf'adjacent the stem without cutting or mauling the referredconstructionfthe' space between t e curved plate 16 and the lioor of thecut/out ortion of the roll provides'clearance `for e'af particles.

?"Ifprovide a second stem gripping carrierl `.18,similar`to the element-2 except that it is higher speeded,"the front ends ofthe ca rrier 18having an overlapping relationshi to the rear end4 of member 2, arallelWit 18 isa second .pair-v of stripping rolls 19 and 2 0, dis in relationtomember 181substantia ly asthe 4stripping rolls 10 and ill "aredisposed iii relation to stem gripping -fcarricr 2, except that thefirst rolls 10 and iso 11 vare at'the left of the carrier 2 and in frontfof the carrier 18 `while the second --strippin'g rolls 19 and vare atthe right ffcarrier 1 8 an 1fin`rear of the stem grippingca'rrier `2.Ireferab1y I form roll 19 with'twobrush Segments 2 1, 22 and roll 20with two cli-acting perforatedplatcs 23, 24

. similar in construction to the formation of roll 11. -Also preferablyI place a pair of carrier l2 so as to rejecting rolls2i5 1in front .ofrolls .19, 20 and at the rear end ,ofgtlie' stem' grippingpreventiindesirable prode uct from being drawn between the strippingrolls 19,20.

l't will be understood that vI `preferably deliver the leaf to revu:

:is effective in making the perating in the carrier2 with thc1[,irojecting so asY yto be stripped by in a direction counter to t eleaf grain, and that the stripped {butt 4end is the stem grippingcarrier 18 and between the rolls 19, 20 stripping thisend ofthe leaf. ina direction 'generallylength-y wise of the leaf grain or toward thetip.

And it will be understood from the disclo- 15 sui'es .'ofmy said priorpatents that it is' the relatively opposing. influences`4 of the beltpull and rotation of they stripping rolls which effectsl the separationof the leaffroin the stem. The edges delinedby the perforation- 17 exertaf'cuttin'fr orrubbing action in conjunction with theebrushsegment'which separation Awithout injuring the strip, the action oreffect brush segment. Preferably also the major portions of theperipheral 'surface'sfoftlie stripping rolls constitute non-strippingareas so that the action is imminent,' serv-' 90 ing not only to affordmore ready access to the leaf between the rolls but preventing the leaffrom entwining itself around the rolls or from being severed to "anyfurther de'- lgrec thanv is necessary in separatingy the leaf '4 fromthe stem. It isquite obvious that this disclosure' 'of inventiveprinciple is susceptible of diffrcnt structural embodiments 4and that vthe f claims are to beso understood except where,

a specific structure is directly recited. Having described my invention,I claim:-`

1. In a tobacco leaf stemming machine, ai ,pair of opposjtely rotatingrolls and means fordrawing a l'eaf between them, one of 105 said rollshaving flexible members providing.

a,v yieldable leafl engaging surface and the other roll being-formedwith recessedy areas` coacting with' the flexible yieldable surface.-

2. In' a tobacco leaf stemming machine,`a-'110 pair of oppositelyrotating rollsl and means for drawing a leaf between them, one of saidrolls having a brush segment and the coacting roll being formed withrecessed arcas operating in relation to the brush seg- 1U ment. f

3. `In a tobacco leaf semmin'g machine, a, pair ot' oppositely rotatngrolls and-means for drawing a leaf between them, one of said rollsbeing formed with a brush segment, the 12.0

other roll having a segmental portion of its 'peripheral surface formedwith recessed areas `coperating with the brush segment-i4 when thcrollsare rotated. i'

4. In a-tohacco leaf stemming machine, a

pair of oppositelyrotating rolls and means foil drawing agleafbetwcenhem,- one of: said rolls having a brush segment, the other rollhaving a nictal piece upon its peripheiyzperforatedv to forni recessed.areas and dis 130 so. that the tip endA of vthe leaf, 70 vwhjenreleasedby the stein carrier 2 is drawn and without producing rendered wherespurs or 8 5 rigid radial projections. coperate With-:the

pair of oppositely rotatingv rolls, and meansr l for drawing aleafbetween them,"one"'fofj said rolls being forn'ied with'radially' proe Efleeting flexible stripping members,`A theothcr roll being formedwith .a `grid peripheral surface providing recessed areas, seid sur*4faces and members coaeting to sever the leaf from the'stemwithout'iifiyiuriner the strip.

7'. ln :i tebaccb leaf stemming machine, in combination with ,n steingripping carrier and Strippingroll, mechanism forvrejeetingj Short 0Ibroken leaves disposed ,in front ei thestrippingr roll und comprising :iroll vforned wit-h lie'xibleru'dial repellers and n,

roll having a coniczfl end formed wilh/ :n

v'spiral Wayfor directing the vlezif laterally away freni the ste1u.gri]ping fnrrier und inlo'the `operative',zene of the rndml repeller.

V' V`Inw'ilness whereof, I` hereunto subscribe mynzune, as'iittested bythe two Subscribing witnesses. Q ,i l y I ,if-AMES I. soovlfnn.

`JOHN MeKxcoN, ,l y If MATILDA K. yIYSUsKiN,

